MAC Vendor CSV database

Gain access to our updated and comprehensive MAC address database completely free of charge. The database is available for download in multiple formats to suit your needs: JSON, CSV, and Cisco's "vendorMacs.xml" format.
Choose the format that works best for your project:

Each file contains over 77000 unique MAC prefixes, ensuring you have the most accurate and up-to-date vendor information for your network or development needs.

Unique MAC Prefixes
77711
Last Synchronized
2 November 2026
Daily upstream synchronization
Payload Footprint
~ 2.3MB
Compressed CSV tabular file
OPEN ACCESS Free Download • Zero Authentication Required

MAC Vendor Database in CSV format

Download the MAC address database over HTTPS. It includes MA-L (24-bit), MA-M (28-bit), MA-S (36-bit), and historical IAB assignments in standard CSV format.

Unique MAC address: 77711 Updated: 2 November 2026 Includes Private Masking Flag

Format

Mac Prefix,Vendor Name,Private,Block Type,Last Update
...
00:00:00,XEROX CORPORATION,false,MA-L,2015/11/17
...
Tabular Ingestion Advisory

Standard RFC 4180 CSV syntax with comma delimiters and UTF-8 encoding. Ready for instant batch import into SQL databases (e.g. PostgreSQL \copy, MySQL LOAD DATA INFILE, DuckDB read_csv()) or spreadsheet software.

Attributes

Column NameDescription
Mac PrefixMAC address prefix
Vendor NameVendor/Company Name
PrivateIf true: Company name & address will not be displayed on public listing
Block Type

MAC address block:

• MA-L: MAC Address Block Large (previously named OUI). Number of addresses 2^24 (~16 Million)
• MA-M: MAC Address Block Medium. Number of addresses 2^20 (~1 Million)
• MA-S: MAC Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of addresses 2^12 (4096)
• CID: Company Identifier. This prefix will not be used for globally unique applications. Number of addresses 2^24 (~16 Million)
Last UpdateWhen MAC information was last updated. Format (YYYY/MM/DD)